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Old 07-10-2010, 02:02 PM   #1
maxkukartsev
LQ Newbie
 
Registered: Apr 2009
Distribution: Gentoo, Arch, Slackware
Posts: 22

Rep: Reputation: 16
Question Slow terminal history browse using vesafb


Hello everyone,

I've just installed Slackware 13.1 and am using a VESA framebuffer on a dv5-1251nr HP laptop with standard hardware.

In bash when I browse the command history using the up/down arrow keys the input line changes rather slowly.

For example, when I am on the history command
Code:
cp /boot/kernel-2.6.33.4 /boot/kernel-2.6.33.4.old
and the next command I go to is
Code:
make modules_install
The terminal input line deletes each character from the beginning and changes something like this:
Code:
cp /boot/kernel-2.6.33.4 /boot/kernel-2.6.33.4.old
p /boot/kernel-2.6.33.4 /boot/kernel-2.6.33.4.old
 /boot/kernel-2.6.33.4 /boot/kernel-2.6.33.4.old
...
/kernel-2.6.33.4.old
make modules_install
But going the opposite direction, from
Code:
make modules_install
to
Code:
cp /boot/kernel-2.6.33.4 /boot/kernel-2.6.33.4.old
is instant.

The effect does not happen with VESA turned off.
I've used VESA on other computers without this problem.


Thanks a lot.
 
Old 08-18-2010, 05:02 PM   #2
maxkukartsev
LQ Newbie
 
Registered: Apr 2009
Distribution: Gentoo, Arch, Slackware
Posts: 22

Original Poster
Rep: Reputation: 16
I tried other linux distros on the same machine (gentoo, arch), but the slow scroll problem only appears in Slackware. So it's not because of the computer and probably not a problem with the generic VESAFB driver. Anyone experienced a similar issue?

Thanks.
 
  


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